Which of these did not directly affect the textile industry?
the cotton gin
the sewing machine
the power loom
the threshing machine

The correct answer is D.The threshing machine

Explanation:

The threshing machine was a machine created in the 18th century to remove the seeds from plants, this process implied an important change in agriculture as before the threshing machine this process was carried out by individuals and take more time. Because of this, the threshing machine directly affected agriculture but no the textile industry as the threshing machine separates mainly seeds and products such as peas or wheat. On the other hand, other machines such as the cotton gin, the sewing machine, and the power loom were involved in the process of creating textiles and therefore had a direct impact on this industry.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

the constitution of the united states gave congress the absolute authority over immigration laws